Which one of the following is the appropriate answer for fill in the blank: solenoid, wire, magnet?
An electromagnet is a
wrapped around a bar of
I
iron or other ferromagnetic material.

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

iron would move it is magnetic there is a mag field around the current in the wire

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).

cancer risk hope this